You’re crossing the street wrong. That is essentially the argument some self-driving car boosters have fallen back on in the months after the first pedestrian death attributed to an autonomous vehicle and amid growing concerns that artificial intelligence capable of real-world driving is further away than many predicted just a few years ago.

COLUMBUS, Ohio — It’s 3 p.m. at the Greater Columbus Convention Center, and the 424 drivers competing in the National Truck Driving Championships have just walked through the course set up on the expansive exhibit hall floor.

COLUMBUS, Ohio — As the nation’s top truck drivers descend on Ohio’s capital for the National Truck Driving Championships, a smaller group of safety enthusiasts — 52 law enforcement officials — has convened to determine who among them is the champion inspector.